Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hieu cach » hieu cac, chieu sach, hieu ca
dung cong » dung trong
nhan cach » phan cac
toc hieu » toc thieu, doc hieu, hoc thieu
hang tai » hang va, dung tai
van nhan » van phan, van thanh, danh nhan
hang ca » hang va, nang cao, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu cach - hanh ((hang ca) OR (hang tai)) ((nhung cong) or (dung cong)) van nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu cach - hanh ((hang ca) OR (hang tai)) ((nhung cong) OR (dung cong)) van nhan cach*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu cach - hanh ((hang ca) OR (hang tai)) ((nhung cong) or (dung cong)) van nhan cach*".